function submitOnce(form) 
{
  if (document.all || document.getElementById) 
  {
    for (i = 0; i < form.length; i++) 
    {
      var tempobj = form.elements[i];
      if (tempobj.type.toLowerCase() == "submit")
        tempobj.disabled = true;
    }
    return true;
  }
  else 
  {
    //Since you're not using IE 4+ or NS 6, the submit button was not disabled on form submission.
    return false;
  }
}


  function MM_preloadImages() 
  {
    var d=document; 
    if(d.images)
    { 
      if(!d.MM_p) 
        d.MM_p=new Array();
      
      var i,j=d.MM_p.length,a=MM_preloadImages.arguments; 
      for(i=0; i<a.length; i++)
        if (a[i].indexOf("#")!=0)
        { 
          d.MM_p[j]=new Image; 
          d.MM_p[j++].src=a[i];
        }
    }
  }

  function MM_findObj(n, d) 
  {
    var p,i,x;  
    if(!d) 
      d=document; 
    
    if((p=n.indexOf("?"))>0&&parent.frames.length) 
    {
      d=parent.frames[n.substring(p+1)].document; 
      n=n.substring(0,p);
    }
   
    if(!(x=d[n])&&d.all) 
      x=d.all[n]; 
    
    for (i=0;!x&&i<d.forms.length;i++) 
      x=d.forms[i][n];
    
    for(i=0;!x&&d.layers&&i<d.layers.length;i++) 
      x=MM_findObj(n,d.layers[i].document);
    
    if(!x && d.getElementById) 
      x=d.getElementById(n); 
    
    return x;
  }

  function MM_swapImgRestore() 
  {
    var i,x,a=document.MM_sr; 
    for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) 
      x.src=x.oSrc;
  }

  function MM_swapImage() 
  { 
    var i,j=0,x,a=MM_swapImage.arguments; 
    document.MM_sr=new Array; 
    for(i=0;i<(a.length-2);i+=3)
      if ((x=MM_findObj(a[i]))!=null)
      {
        document.MM_sr[j++]=x; 
        if(!x.oSrc) 
          x.oSrc=x.src; 
        
        x.src=a[i+2];
      }
  }